List of Qcodes LA6UOA（QcodesLA6UOA列表）.pdf

KLOTH.NET Services Radio Internet Software Support Links... Feedback www. radio qcodes List of Q-codes Edition of 31-Dec- 1994 © 1994,1998 by Ralf D. Kloth (DL4TA), 71640 Ludwigsburg, DE Share and enjoy. Please e-mail amendments and corrections to: ralf at History: The Q-code was instituted at the Radiotelegraph Convention held in London, 1912. The following list of current Q-codes is compiled from various sources. The QAA...QNZ series are reserved for the aeronautical service. (ICAO Procedures for Air Navigation Services (PANS), Abbreviations and Codes [Doc8400]) The QOA...QQZ series are reserved for the maritime services. (ITU RR1990, Appendix 14) The QRA...QUZ series are for use by all services. (ITU RR1990, Appendix 13, 14) The QZA...QZZ series for other usage. ICAO PANS Doc8400 : The ICAO Q Code 1. The meanings of the Aeronautical Code signals were assigned by ICAO. Since, in general, only stations of the Aeronautical Service will have available copies of the Aeronautical Code it should not be used in communications with stations of other services unless it is known that the station concerned is familiar with the code. 2. Q signals may be amplified or completed by the addition of appropriate location indicators, approved abbreviations, signals, call signs, figures or numbers. 2. 1. The information necessary to complete a signification, as indicated by a blank space, shall be given except when: (a) The blank spaces are enclosed within parentheses to indicate that their completion is optional. (b) an alternative meaning shown in parentheses is selected and the blank space in this alternative meaning is completed. 2.2. The information used to complete the blank spaces shall be sent immediately after the Q signal in the sequence shown in the signification. 2.3. Expressions or words in parentheses which do not include blank spaces have the following significance: (a) when